In Kansas, burrowing
owls are uncommon summer residents in western shortgrass and mixed-grass prairies where prairie dogs have not been extirpated (west of the 100[degrees] meridian; Busby and Zimmerman, 2001; Klute et al., 2003), and it appears they have never been common in eastern tallgrass prairies (Sheffield, 1997; Klute et al., 2003).
It was a severely declining western burrowing
owl population that suffered.
Several studies have focused on the direct importance of grain size on the burrowing
behavior of bivalve habitat generalists, which live in a broad spectrum of morphodynamic beaches (Alexander et al.
In particular, the frequency of burrowing
in the frogs N.
To simplify this problem, we chose to compare morphologies and burrowing
behaviors of species within one family in which the phylogenetic relationships are well understood and that live in different habitats.
Once a common species in California and across North America, the Western burrowing
owl has become a rarer and rarer sight over the last three decades given habitat loss and other environmental perils the bird faces.
The Black-tailed Prairie Dog: social life of a burrowing
A review of burrowing
by semi-fossorial vertebrates in arid environments.
would have given small dinosaurs a refuge for the winter where they could rest and conserve energy, but evidence of this had been lacking.
activity of beavers in drainage canals was documented in two ways:
Under natural conditions in sandy Florida soils, extensive measurements of prevailing gases in ~16 cm deep burrows occupied by a closely related burrowing
wolf spider, G.
The Camp Shelby burrowing
crayfish, Fallicambarus gordoni (Fitzpatrick, 1987), is a primary burrowing
crayfish and a candidate species for protection under the United States Endangered Species Act.
This study investigates the mechanics of burrowing
in coral cobras (Aspidelaps lubricus).
could have helped dinosaurs live in extreme conditions like deserts and polar regions and up in mountains
However, no dose of bifenthrin or exposure to true estrogen deterred this species from burrowing